ALSA project - the C library reference

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Hooks in configuration files

The hook extension in the ALSA library allows expansion of configuration nodes at run-time. The existence of a hook is determined by the presence of a @hooks compound node.

This example defines a hook which loads two configuration files at the beginning:

@hooks [
{
func load
files [
"/etc/asound.conf"
"~/.asoundrc"
]
errors false
}
]

# Function reference

- The function load - `snd_config_hook_load()` - loads and parses the given configuration files.
- The function load_for_all_cards - `snd_config_hook_load_for_all_cards()` - loads and parses the given configuration files for each installed sound card. The driver name (the type of the sound card) is passed in the private configuration node.